Products / Automatic doors / Sliding doors / Sliding door operators Sliding door operators ASSA ABLOY sliding door operators can be integrated as part of Besam sliding door entrance or be adapted to a wide range of existing doors and customer requirements. Essential performance from a high-quality operator ASSA ABLOY SL300 - Essential performance from a reliable … Sliding door operatorsAutomate your entrances with a ASSA ABLOY SL500 operator.